CN218266977U

CN218266977U - Improved viscous fluid damper

Info

Publication number: CN218266977U
Application number: CN202221005258.7U
Authority: CN
Inventors: 闵冬绪; 吴克川; 兰香; 黄显刚; 郑启飞; 胡闻川
Original assignee: Sichuan Zhenying Hetu Technology Co ltd
Current assignee: Sichuan Zhenying Hetu Technology Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2023-01-10
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses an improved generation viscous fluid damper, including the cylinder body, the cylinder body includes the shell, and the rear end of shell is connected with first link, and first oil pocket and second oil pocket have been seted up at the middle part of shell, and first intercommunication hole and second intercommunicating pore are seted up respectively at both ends around first oil pocket and the second oil pocket and carry out the intercommunication of first oil pocket and second oil pocket through first intercommunicating pore and second intercommunicating pore. Through seting up first oil pocket and second oil pocket in the inside of cylinder body, and connect first oil pocket and second oil pocket through first intercommunicating pore and second intercommunicating pore, and at the internally mounted second piston of second oil pocket and compression spring, be convenient for guarantee the balanced unanimity of the both sides pressure of cylinder body at the inside compression in-process of first oil pocket to first piston, avoid the device to appear damaging, and second piston and compression spring increase the inside damping buffering effect of cylinder body, be convenient for effectually use the device in buffering absorbing use.

Description

Improved viscous fluid damper

Technical Field

The utility model relates to a attenuator technical field specifically is an improved generation viscous fluid damper.

Background

The viscous fluid damper is a hydraulic device, is a speed-related damper without rigidity, generally comprises a cylinder body, a guide rod, a piston with a damping hole, viscous fluid, a sealing element and the like, the viscous fluid damper is generally arranged between layers of a frame structure, when the structure vibrates under the action of external force, the piston and the cylinder body of the viscous fluid damper through the guide rod generate relative motion, and the viscous fluid flows between two sides of the piston through the damping hole to generate damping force.

In the working process of the existing viscous fluid damper, viscous fluid flows between two sides of a piston through a damping hole, vibration energy is gradually converted into heat energy along with energy dissipation, the temperature of the viscous fluid damper is increased, and accordingly damping force is changed, and the two oil cavities in the viscous fluid damper always have the difference of the volume of the viscous fluid, so that the piston is usually very long, the length of the damper is increased, the pressure of the oil cavities of the viscous fluid damper is very large during vibration damping work, oil leakage from a driven seal position becomes a common fault, and if more oil leakage exists, the viscous fluid damper can completely lose the vibration damping capacity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation viscous fluid damper to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an improved generation viscous fluid damper, includes the cylinder body, the cylinder body includes the shell, the rear end of shell is connected with first link, first oil pocket and second oil pocket have been seted up at the middle part of shell, just first intercommunication hole and second intercommunication hole and carry out the intercommunication of first oil pocket and second oil pocket through first intercommunication hole and second intercommunication hole have been seted up respectively at both ends around first oil pocket and the second oil pocket, just first piston has been cup jointed to the inside of first oil pocket, the front end of first piston is connected with the piston rod, the front end of piston rod is connected with the second link.

Optionally, a second piston is sleeved inside the second oil chamber, two sides of the second piston are both connected with compression springs, and two ends of each compression spring are fixedly connected with the inner wall of the second oil chamber.

Optionally, a hole is formed in the middle of the piston rod, a heat conducting rod is sleeved inside the hole, the front end of the heat conducting rod is connected with a connecting ring, and the connecting ring is sleeved inside the second connecting frame.

Optionally, the outside of cylinder body is equipped with the fin, the fin is inserted sheet formula heating panel.

Optionally, the second piston is slidably connected to the inside of both sides of the second oil chamber, and the cross section of the second piston is X-shaped.

Optionally, the heat conducting rod and the connecting ring are in interference connection with the piston rod and the second connecting frame, and the heat conducting rod and the connecting ring are made of copper or aluminum alloy.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this improved generation viscous fluid damper, through seting up first oil pocket and second oil pocket through the inside at the cylinder body, and connect first oil pocket and second oil pocket through first intercommunicating pore and second intercommunicating pore, and at the internally mounted second piston and the compression spring of second oil pocket, be convenient for guarantee the balanced unanimity of the both sides pressure of cylinder body at the inside compression in-process of first oil pocket to first piston, avoid the device to appear damaging, and second piston and compression spring increase the inside damping buffering effect of cylinder body, be convenient for effectually use the device in buffering absorbing shock.

2. This improved generation viscous fluid damper, through the heat conduction pole that has cup jointed at the middle part of piston rod, the length value adaptation of heat conduction pole and piston rod, and cup joint the go-between of connecting the front end of heat conduction pole in the inside of second link, derive the heat that produces in piston rod and the first piston compression process fast through heat conduction pole and go-between, and the fin is installed in the outside of cylinder body, dispel the heat to the cylinder body through the fin, be convenient for improve the holistic radiating efficiency of device, avoid the influence of the effect of the too high production of device temperature.

Drawings

Fig. 1 is a schematic view of an overall structure of an improved viscous fluid damper of the present invention;

fig. 2 is a cross-sectional view of an improved viscous fluid damper of the present invention;

fig. 3 is a schematic diagram of a cylinder of an improved viscous fluid damper of the present invention.

In the figure: 1. a cylinder body; 11. a housing; 12. a first oil chamber; 13. a second oil chamber; 14. a first communication hole; 15. a second communication hole; 2. a first connecting frame; 3. a piston rod; 4. a second link frame; 5. a heat conducting rod; 6. a connecting ring; 7. a first piston; 8. a heat sink; 9. a second piston; 10. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 to 3, the utility model provides an improved generation viscous fluid damper, including cylinder body 1, cylinder body 1 includes shell 11, the rear end of shell 11 is connected with first link 2, first oil chamber 12 and second oil chamber 13 have been seted up at the middle part of shell 11, and first intercommunication hole 14 and second intercommunication hole 15 and carry out the intercommunication of first oil chamber 12 and second oil chamber 13 through first intercommunication hole 14 and second intercommunication hole 15 have been seted up respectively to both ends around first oil chamber 12 and second oil chamber 13, and first piston 7 has been cup jointed to the inside of first oil chamber 12, the front end of first piston 7 is connected with piston rod 3, the front end of piston rod 3 is connected with second link 4.

The second piston 9 is sleeved inside the second oil cavity 13, compression springs 10 are connected to two sides of the second piston 9, two ends of each compression spring 10 are fixedly connected with the inner wall of the second oil cavity 13, the second piston 9 and the compression springs 10 are connected inside the second oil cavity 13, viscous bodies in the middle of the first oil cavity 12 and the middle of the second oil cavity 13 are enabled to be contained, temporal pressure on two sides of the first piston 7 is changed through movement of the second piston 9, and the damping and buffering effects inside the device are increased conveniently.

The middle part of piston rod 3 is seted up porosely, and the inside in hole has cup jointed heat conduction pole 5, the front end of heat conduction pole 5 is connected with go-between 6, go-between 6 cup joints in the inside of second link 4, the installation of heat conduction pole 5 and go-between 6 is convenient for carry out quick derivation to the heat that produces on piston rod 3 and the first piston 7, be convenient for dispel the heat to first piston 7, avoid the use of the heat influence device that first piston 7 produced at the in-process of work.

The outside of cylinder body 1 is equipped with fin 8, and fin 8 is inserted sheet formula heating panel, and fin 8 installs the lateral surface at cylinder body 1, carries out quick effluvium to the heat on the cylinder body 1, the stable use of the device of being convenient for.

The second piston 9 is in sliding connection with the inside of two sides of the second oil chamber 13, the section of the second piston 9 is in an X shape, the second piston 9 automatically slides in the second oil chamber 13 along with the change of the internal pressure, the pressure balance and stability of the two sides inside the second oil chamber 13 and the first oil chamber 12 are ensured, and the device is convenient to use.

Heat conduction pole 5 and go-between 6 and piston rod 3 and second link 4 are the interference connection, and heat conduction pole 5 and go-between 6 materials are copper or aluminum alloy, carry out quick heat conduction through the good heat conduction effect of heat conduction pole 5 and go-between 6 to first piston 7, avoid first piston 7 to appear thermal piling up, influence the use of device.

The working principle is as follows: when the device is used, the first piston 7 and the piston rod 3 are sleeved inside the cylinder 1, the second piston 9 and the compression spring 10 are installed in the second oil cavity 13 inside the cylinder 1, the space distance inside the second oil cavity 13 is divided by the second piston 9, the viscous bodies inside the first oil cavity 12 and the second oil cavity 13 are communicated through the first communication hole 14 and the second communication hole 15, then the viscous body inside the first oil cavity 12 is compressed under the compression of the piston rod 3 and the first piston 7, the viscous body inside the first oil cavity 12 is compressed into the second oil cavity 13, the second piston 9 and the compression spring 10 inside the second oil cavity 13 are compressed, the viscous body inside the second oil cavity 13 is compressed into the front end inside the first oil cavity 12, the stability of the front end and the rear end of the first piston 7 in the compression process is ensured, the heat conducting rod 5 and the connecting ring 6 inside the piston rod 3 and the heat generated in the first piston 7 are quickly led out of the heat radiating fins 8 on the cylinder 1, and the device is quickly cooled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an improved generation viscous fluid damper, includes cylinder body (1), its characterized in that, cylinder body (1) is including shell (11), the rear end of shell (11) is connected with first link (2), first oil pocket (12) and second oil pocket (13) have been seted up at the middle part of shell (11), just first through-hole (14) and second intercommunicating pore (15) have been seted up respectively and first oil pocket (12) and second oil pocket (13) intercommunication is carried out through first through-hole (14) and second intercommunicating pore (15) in the front and back both ends, just first piston (7) have been cup jointed to the inside of first oil pocket (12), the front end of first piston (7) is connected with piston rod (3), the front end of piston rod (3) is connected with second link (4).

2. An improved viscous fluid damper as claimed in claim 1, wherein a second piston (9) is sleeved inside the second oil chamber (13), compression springs (10) are connected to both sides of the second piston (9), and both ends of the compression springs (10) are fixedly connected with the inner wall of the second oil chamber (13).

3. An improved viscous fluid damper according to claim 1, wherein a hole is formed in the middle of the piston rod (3), a heat conducting rod (5) is sleeved inside the hole, a connecting ring (6) is connected to the front end of the heat conducting rod (5), and the connecting ring (6) is sleeved inside the second connecting frame (4).

4. An improved viscous fluid damper according to claim 1, wherein the cylinder (1) is provided with cooling fins (8) on the outside thereof, and the cooling fins (8) are fin-inserted cooling plates.

5. An improved viscous fluid damper according to claim 2, wherein the second piston (9) is slidably connected to the inside of both sides of the second oil chamber (13), and the second piston (9) has an X-shaped cross section.

6. An improved viscous fluid damper according to claim 3, wherein the heat conducting rod (5) and the connecting ring (6) are in interference connection with the piston rod (3) and the second connecting frame (4), and the heat conducting rod (5) and the connecting ring (6) are made of copper or aluminum alloy.